This story unfolds in a world where Kabions, mysterious creatures that transform from cards into monsters, coexist with humans. As the era of peaceful coexistence passes, the world faces danger with the appearance of the Black Group, who aim to conquer the world by corrupting the Kabions. However, Masters who can communicate with and control Kabions emerge to fight against the Black Group, leading to the establishment of an academy to train Kabion Masters. An exciting coming-of-age story of the protagonist Woo-ju and Kuri, who enroll in the academy, and their friends who dream of becoming Kabion Masters!